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Current system
00420-2457
RST 2250 AB
HD 3954


Nearby doubles
13' : 00417-2446
B 10

14' : 00427-2507
NSC 3

45' : 00388-2506
HJ 1991

49' : 00414-2545
RST1195

54' : 00391-2533
SKF 759

54' : 00449-2535
SKF1355

58' : 00389-2536
HJ 1992

65' : 00373-2446
BU 395

68' : 00436-2354
LDS2147

69' : 00397-2356
SHN 56

76' : 00367-2521
UC 399

83' : 00481-2505
B 12

88' : 00417-2624
RST1196

88' : 00465-2354
SKF1357

90' : 00486-2459
LDS2155

95' : 00443-2627
SKF1788

102' : 00430-2638
JOH 2

103' : 00427-2315
LDS2144

104' : 00376-2333
LDS2139

109' : 00486-2357
LDS 27

109' : 00359-2348
B 9

109' : 00411-2309
I 1074

110' : 00492-2408
B 13

114' : 00412-2650
RST1194

116' : 00340-2534
UC 393

118' : 00422-2300
I 1075



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

00420-2457 RST 2250 AB (HD 3954)

 
 
00h 42m 02.20s -24° 57' 02.2" P.A. 282.00 sep 27.1 mag 9.97,11.38 Sp G0V dist. 207.9 pc (678.17 l.y.)
 
 
Coord 2000 00420-2457 Discov num RST2250 Comp AB Coord arcsec 2000 00 42 02.20 -24 57 02.2
Date first 1909 Date last 2015 Obs 7
Pa first 283 Pa last 282.4 P.A. Now (θ) 282.4°
Sep first 26.3 Sep last 27.09 Sep. Now (ρ) 27.09"
Mag pri 9.97 Mag sec 11.38 delta mag (ΔM) 1.41 Spectral class G0V (yellow)
Pri motion ra +010 Sec motion ra +006
Pri motion dec -013 Sec motion dec -006
Notes Y (Parallax indicates components are non-physical)
rPM=0.492
This double is not physical.
 
 
00420-2457 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 3954 166494 00 42 02 -24 57 02 RST 2250 AB 2015 7 282 27.1 9.97 11.38 1.41 <===
Show 00 42 00 -24 56 56 RST 2250 BC 2016 5 313 0.8 11.38 13.30 1.92
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 3954 Constellation Sculptor SAO 166494 HIP 3295
Tycho2 6421-00786-1 Gaia DR2 2347099644721256192 HD 3954 CD CD-25 268
Distance 207.9 Distance ly 678.17
 
 
WDS 00420-2457 RST 2250 AB (HD 3954) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00420-2457 RST2250 AB 1998 5 283 27.4 9.97 11.38 G0V YD 004202.20-245702.2
00420-2457 RST2250 AB 1999 6 283 27.3 9.97 11.38 G0V Y 004202.20-245702.2
00420-2457 RST2250 AB 2015 7 282 27.1 9.97 11.38 G0V Y 004202.20-245702.2

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 00420-2457 RST 2250 AB (HD 3954) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00420-2457 RST 2250 AB (HD 3954) : MEASURES
 
 
No records found.

 
 
WDS 00420-2457 (HD 3954) : VIRTUAL EYEPIECE
 
 

00420-2457 RST2250A mag 9.97 Sp G0V 00420-2457 RST2250B sep 27.3 P.A. 282.30 mag 11.38 Sp G6III 00420-2457 RST2250C sep 27.9 P.A. 283.10 mag 13.3 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 00420-2457 (HD 3954) : ALADIN DSS IMAGE @ 00h 42m 02.20s -24° 57' 02.2"
 
 
 
 
WDS 00420-2457 RST 2250 AB (HD 3954) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00420-2457 RST2250AB distance=1' 00420-2457 RST2250BC distance=1' 00417-2446 B 10 distance=13' 00427-2507 NSC 3 distance=14' 00388-2506 HJ 1991 distance=45' 00414-2545 RST1195 distance=49' 00391-2533 SKF 759 distance=54' 00449-2535 SKF1355 distance=54' 00389-2536 HJ 1992 distance=58' 00373-2446 BU 395 distance=65' 00436-2354 LDS2147 distance=68' 00397-2356 SHN 56 distance=69' 00367-2521 UC 399 distance=76' 00481-2505 B 12 distance=83' 00417-2624 RST1196 distance=88' 00465-2354 SKF1357 distance=88' 00486-2459 LDS2155 distance=90' 00443-2627 SKF1788 distance=95' 00430-2638 JOH 2 distance=102' 00427-2315 LDS2144 distance=103' 00376-2333 LDS2139 distance=104' 00486-2357 LDS 27 distance=109' 00359-2348 B 9 distance=109' 00411-2309 I 1074 distance=109' 00492-2408 B 13 distance=110' 00412-2650 RST1194 distance=114' 00340-2534 UC 393 distance=116' 00422-2300 I 1075 distance=118' 00380-2311 UC 403 distance=120' 00500-2407 HDS 111 distance=120' 00507-2421 SKF1360 distance=123' 00396-2254 LDS2143 distance=129' 00327-2522 HJ 3442 distance=130' 00350-2329 SKF2143 distance=131' 00492-2626 LDS2156 distance=132' 00336-2606 HJ 3377 distance=134' 00476-2305 BRT1369 distance=136' 00363-2650 LDS2137 distance=137' 00441-2244 LDS2149 distance=137' 00378-2701 RST1193AB distance=137' 00319-2440 LDS2133 distance=140' 00388-2710 JOH 1 distance=141' 00483-2654 RST1198 distance=145' 00376-2709 YMG 1 distance=145' 00455-2714 RST1197 distance=145' 00494-2313 PES 1 distance=146' 00466-2242 CBL 204 distance=150' 00348-2305 HJ 1988 distance=150' 00361-2251 DRS 1 distance=151' 00532-2447 WNO 1 distance=153' 00380-2232 ARA1957 distance=155' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 00420-2457 RST2250 AB 282 27.1 1
Show 00420-2457 RST2250 BC 313 0.8 1
Show 00417-2446 B 10 135 0.0 13
Show 00427-2507 NSC 3 237 3.0 14
Show 00388-2506 HJ 1991 95 47.2 45
Show 00414-2545 RST1195 137 2.2 49
Show 00391-2533 SKF 759 108 7.7 54
Show 00449-2535 SKF1355 208 99.1 54
Show 00389-2536 HJ 1992 248 45.8 58
Show 00373-2446 BU 395 198 0.1 65
Show 00436-2354 LDS2147 325 19.6 68
Show 00397-2356 SHN 56 -1 0.1 69
Show 00367-2521 UC 399 28 26.0 76
Show 00481-2505 B 12 104 5.2 83
Show 00417-2624 RST1196 302 1.0 88
Show 00465-2354 SKF1357 145 5.1 88
Show 00486-2459 LDS2155 126 46.3 90
Show 00443-2627 SKF1788 179 4.3 95
Show 00430-2638 JOH 2 287 2.9 102
Show 00427-2315 LDS2144 22 30.5 103
Show 00376-2333 LDS2139 352 17.7 104
Show 00486-2357 LDS 27 222 6.2 109
Show 00359-2348 B 9 96 1.7 109
Show 00411-2309 I 1074 205 1.6 109
Show 00492-2408 B 13 165 8.8 110
Show 00412-2650 RST1194 227 4.9 114
Show 00340-2534 UC 393 110 31.5 116
Show 00422-2300 I 1075 28 0.9 118
Show 00380-2311 UC 403 241 41.9 120
Show 00500-2407 HDS 111 7 11.1 120
Show 00507-2421 SKF1360 257 11.4 123
Show 00396-2254 LDS2143 347 3.9 129
Show 00327-2522 HJ 3442 182 17.3 130
Show 00350-2329 SKF2143 250 20.7 131
Show 00492-2626 LDS2156 299 3.6 132
Show 00336-2606 HJ 3377 61 21.4 134
Show 00476-2305 BRT1369 190 4.6 136
Show 00363-2650 LDS2137 103 25.1 137
Show 00441-2244 LDS2149 98 4.9 137
Show 00378-2701 RST1193 AB 200 2.3 137
Show 00319-2440 LDS2133 337 46.9 140
Show 00388-2710 JOH 1 120 0.2 141
Show 00483-2654 RST1198 261 0.7 145
Show 00376-2709 YMG 1 209 0.2 145
Show 00455-2714 RST1197 128 1.1 145
Show 00494-2313 PES 1 194 0.6 146
Show 00466-2242 CBL 204 291 36.1 150
Show 00348-2305 HJ 1988 196 27.1 150
Show 00361-2251 DRS 1 261 0.9 151
Show 00532-2447 WNO 1 7 5.4 153
Show 00380-2232 ARA1957 87 6.7 155

 
 
WDS 00420-2457 : COMPONENTS
 
 
  A B
B pa=282.3°
sep=27.28"
 
C pa=283.1°
sep=27.90"
pa=316.2°
sep=0.75"
 
 
00420-2457 A
 
 
Name HD 3954 Coord arcsec 2000 004202.20-245702.2 Mag 9.97 Spectral class G0V (yellow)
PmRA 10.00 PmDE -13.0 SAO 166494 HIP 3295
Tycho2 6421-00786-1 HD 3954 CD CD-25 268
Tycho2
Tycho2 6421-00786-1 Pflag RAmdeg 10.50919649 DEmdeg -24.95062025
PmRA 12.9 PmDE -9.8 E RAmdeg 17 E DEmdeg 19
E pmRA 1.6 E pmDE 1.6 EpRAm 1987.73 EpDEm 1986.30
Num 6 Q RAmdeg 0.4 Q DEmdeg 0.9 Q pmRA 0.3
Q pmDE 0.9 BTmag 10.620 E BTmag 0.038 VTmag 9.969
E VTmag 0.030 Prox 272 TYC T HIP 3295
CCDM RAdeg 10.50916361 DEdeg -24.95059750 EpRA 1990 1.77
EpDE 1990 1.63 E RAdeg 19.0 E DEdeg 21.5 Posflg
Corr -0.1
SAO
SAO 166494 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 0.076 Vmag 9.1 SpType G0
Double code Source 25 CatNum 318 DM CD-25 268
DMcomp BDsup HD 3954 M HD 0
GC RA1950rad 0.17263617 DE1950rad -0.44024444 PmRA2000 -0.0002
PmDE2000 0.072
Hipparcos
Catalog H HIP 3295 Proxy RAhms 00 42 02.20
DEdms -24 57 02.2 Vmag 9.89 VarFlag R Vmag H
RAdeg 10.5092 DEdeg -24.9506 AstroRef Plx 7.72
CCDM 00420-2457 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 3954 BD
CD CD-25 268 CP Dm number -25 268 VIred 0.68
SpType G0V R SpType Coord arcsec 2000 004202.20-245702.2
Hipparcos 2
HIP 3295 Sn 5 So 0 Nc 1
RArad 0.1834193401 DErad -0.4354701863 Plx 4.81 PmRA 11.81
PmDE -10.2 E RArad 1.47 E DErad 1.06 E Plx 1.66
E pmRA 1.81 E pmDE 1.18 Hpmag 10.0156 E Hpmag 0.003
SHp 0.034 VA 0 BV 0.609 E BV 0.096
VI 0.68
CCDM
Ccdm 00420-2457 RComp Comp A Note1
Note2 Discov num DRAs 2.12 DDEs 3.2
R dRAs 10 Year Theta Rho
Obs 3 Vmag 10.4 Sp G0 PmNote *
PmRA -4 PmDE 76 Dm number -25 268 Cat1 CD
Name2 166494 Cat2 SAO HD 3954 M HD
ADS BDS M ADS BDS N IDS IDS 00371S2530A
HIC 3295
 
 
00420-2457 B
 
 
Coord arcsec 2000 004200.24-245656.4 Coord calc 004200.24-245656.4 Mag 11.38 Spectral class G6III (yellow)
PmRA 7.00 PmDE -9.0 HIP 3291 Tycho2 6421-01240-1
Calc delta mag 1.41
Tycho2
Tycho2 6421-01240-1 Pflag RAmdeg 10.50103311 DEmdeg -24.94901599
PmRA 6.7 PmDE -8.9 E RAmdeg 49 E DEmdeg 55
E pmRA 2.7 E pmDE 2.4 EpRAm 1987.66 EpDEm 1984.63
Num 3 Q RAmdeg 1.0 Q DEmdeg 0.5 Q pmRA 1.1
Q pmDE 0.5 BTmag 11.713 E BTmag 0.079 VTmag 11.380
E VTmag 0.097 Prox 272 TYC T HIP 3291
CCDM RAdeg 10.50101639 DEdeg -24.94899528 EpRA 1990 1.77
EpDE 1990 1.65 E RAdeg 50.4 E DEdeg 58.0 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 3291 Proxy RAhms 00 42 00.25
DEdms -24 56 56.3 Vmag 11.02 VarFlag R Vmag H
RAdeg 10.5011 DEdeg -24.949 AstroRef Plx 1.16
CCDM 00420-2457 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.72
SpType R SpType Coord arcsec 2000 004200.25-245656.3
Hipparcos 2
HIP 3291 Sn 5 So 0 Nc 1
RArad 0.1832780553 DErad -0.4354419463 Plx 7.38 PmRA 4.56
PmDE -9.69 E RArad 4.32 E DErad 3.12 E Plx 4.9
E pmRA 5.24 E pmDE 3.48 Hpmag 11.1593 E Hpmag 0.0077
SHp 0.091 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 00420-2457 RComp Comp B Note1
Note2 Discov num RST2250 DRAs DDEs
R dRAs Year Theta 282 Rho 26.8
Obs Vmag 10.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 00371S2530B
HIC 3291
 
 
00420-2457 C
 
 
Coord arcsec 2000 004200.20-245655.9 Mag 13.3 Calc delta mag 3.33 Calc coord yes
CCDM
Ccdm 00420-2457 RComp B Comp C Note1
Note2 Discov num RST2250 DRAs DDEs
R dRAs Year 1935 Theta 305 Rho 0.7
Obs 3 Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 00371S2530C
HIC 3291